1 files changed, 138 insertions, 0 deletions
diff --git a/runtime/src/main/java/org/onap/policy/clamp/loop/template/PolicyModelsService.java b/runtime/src/main/java/org/onap/policy/clamp/loop/template/PolicyModelsService.java
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+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2020-2021 AT&T Intellectual Property. All rights
+ *                             reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END============================================
+ * ===================================================================
+ *
+ */
+
+package org.onap.policy.clamp.loop.template;
+
+import com.google.gson.JsonObject;
+import java.util.List;
+import org.onap.policy.clamp.clds.tosca.update.ToscaConverterWithDictionarySupport;
+import org.onap.policy.clamp.policy.pdpgroup.PdpGroupsAnalyzer;
+import org.onap.policy.models.pdp.concepts.PdpGroups;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Propagation;
+import org.springframework.transaction.annotation.Transactional;
+
+/**
+ * This class contains the methods to access the policyModel object in db.
+ */
+@Service
+public class PolicyModelsService {
+    private final PolicyModelsRepository policyModelsRepository;
+
+    /**
+     * This is the new tosca converter that must be used in clamp.
+     */
+    @Autowired
+    private ToscaConverterWithDictionarySupport toscaConverterWithDictionarySupport;
+
+    @Autowired
+    public PolicyModelsService(PolicyModelsRepository policyModelrepo) {
+        policyModelsRepository = policyModelrepo;
+    }
+
+    /**
+     * Save or Update Policy Model.
+     *
+     * @param policyModel The policyModel
+     * @return The Policy Model
+     */
+    public PolicyModel saveOrUpdatePolicyModel(PolicyModel policyModel) {
+        return policyModelsRepository.saveAndFlush(policyModel);
+    }
+
+    /**
+     * Verify whether Policy Model exist by ID.
+     *
+     * @param policyModelId The policyModel Id
+     * @return The flag indicates whether Policy Model exist
+     */
+    public boolean existsById(PolicyModelId policyModelId) {
+        return policyModelsRepository.existsById(policyModelId);
+    }
+
+    /**
+     * This method retrieves the tosca model and convert it to a Json schema.
+     * That json schema is normally used by the UI.
+     *
+     * @param policyType        The policy model type id
+     * @param policyTypeVersion The policy model type version
+     * @return A JsonObject with the json schema describing the tosca
+     */
+    public JsonObject getPolicyModelJson(String policyType, String policyTypeVersion) {
+        PolicyModel thePolicyModel = getPolicyModel(policyType, policyTypeVersion);
+        // In the following use case we are not in the context of a closed loop, so the enrichment
+        // of the json cannot be done, that's why the serviceModel provided is NULL.
+        return toscaConverterWithDictionarySupport
+                .convertToscaToJsonSchemaObject(thePolicyModel.getPolicyModelTosca(), policyType, null);
+    }
+
+    public List<String> getAllPolicyModelTypes() {
+        return policyModelsRepository.getAllPolicyModelType();
+    }
+
+    public Iterable<PolicyModel> getAllPolicyModels() {
+        return policyModelsRepository.findAll();
+    }
+
+    public PolicyModel getPolicyModel(String type, String version) {
+        return policyModelsRepository.findById(new PolicyModelId(type, version)).orElse(null);
+    }
+
+    public Iterable<PolicyModel> getAllPolicyModelsByType(String type) {
+        return policyModelsRepository.findByPolicyModelType(type);
+    }
+
+    /**
+     * Retrieves the Tosca model Yaml string.
+     *
+     * @param type    The Policy Model Type
+     * @param version The policy model version
+     * @return The Tosca model Yaml string
+     */
+    public String getPolicyModelTosca(String type, String version) {
+        return policyModelsRepository.findById(new PolicyModelId(type, version))
+                .orElse(new PolicyModel()).getPolicyModelTosca();
+    }
+
+    /**
+     * This method creates an PolicyModel in Db if it does not exist.
+     *
+     * @param policyModel The policyModel to save
+     */
+    @Transactional(propagation = Propagation.REQUIRES_NEW)
+    public PolicyModel savePolicyModelInNewTransaction(PolicyModel policyModel) {
+        return policyModelsRepository.saveAndFlush(policyModel);
+    }
+
+    /**
+     * Update the Pdp Group info in Policy Model DB.
+     *
+     * @param pdpGroups The list of Pdp Group info received from Policy Engine
+     */
+    public void updatePdpGroupInfo(PdpGroups pdpGroups) {
+        List<PolicyModel> policyModelsList = policyModelsRepository.findAll();
+        PdpGroupsAnalyzer.updatePdpGroupOfPolicyModels(policyModelsList, pdpGroups);
+        this.policyModelsRepository.saveAll(policyModelsList);
+    }
+}